Apparatus for screening frames by a continuous process using screening rolls



NOV. 30, 1954 D JQHNSQN ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet l INVENTORS DAVID G.JOHNSON y JOSEPH MAYER V ATTOR NEYS 1954 D. e. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 2 INVENTORS DAVID G. JOHN SON y JOSEPH 42% ATTORNEYS 1954 D. G. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet s INVENTORS DAVID G. JOHNSON y JOSEPH MAYER h hm, ATTORNEYS Nov. 30, 1954 D. G. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 4 IN V EN TORS DAVID G.JOHNSON BY JOSEPH MAYER D. G. JOHNSON ETAL APPARATUS FOR SCREENING FRAMES BY A commuous Nov. 30, 1954 PROCESS USING SCREENING ROLLS 2O Sheets-Sheet 5 Filed Aug. 15, 1949 INVENTORS DAVID G.JOHNSON JOSEPH MAYER I Y W 44%) 9k 6 ATTORNEYS Nov. 30, 1954 D. G. JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 6 FIGJO.

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INVENTORS DAVID 6. JOHN SON Y JOSEPH MAYER Mzfiw 9 68 ii ATTORNEYS D. G. JOHNSON ET AL Nov. 30, 1954 APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS 20 Sheets-Sheet '7 Filed Aug. 15, 1949 Ohm u ii am. NE

INVENTORS DAV'ID aaovmsom ,JOSEPH MAYER ATTORNEYS Nov. 30, 1954 D, G. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 8 INVENTORS DAVID G.JOHN$ON JOSEPH MAYER WW 9 Mai ATT/ORNEYS Nov. 30, 1954 G. JOHNSON ET AL APPARATUS FOR SCR EENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Flled Aug. 15, 1949 20 Sheets-Sheet 9 l l l l l l I l ,f] l i I l i l INVENTORS DAVID s JOHNSON JOSEPH MAYER ATTORNEYS Nov. 30, 1954 G. JOHNSON ET AL APPARATUS FOR SCR 2,695,444- EENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS 2O Sheets-Sheet 10 Filed Aug. 15, 1949 1 I I I l I I l I l I s :u l l-l'lll m .J H n T N NN R u m m @ON W W. W M M lull; l unw nfl Sm 0 n v I. II \L .H ma a"; 3 MW M0 ma 0% Na 0a G W ma NZVE Nov. 30, 1954 D. e. JOHNSON ETAL APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS 20 Sheets-Sheet 11 Filed Aug. 15, 1949 lllllllllllllllllllllll I mhm wnm

0 m :0 IN VEN T 0R5 DAVID G. JOHNSON BY JOSEPH MAYER I ATTORNEYS Nov. 30, 1954 D. G. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 12 II N N :3 IN V EN TORS DAVID G. JOHNSON BY JOSEPH MAYER MW/ M9 ATTORNEYS Nov. 30, 1954 D. e. JOHNSON ETAL 2,695,444 APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 13 INVENTORS DAVID G.JOHNSON y JOSEPH MAYER L 1 M-Em; mg i,

ATTORNEYS Nov. 30, 1954 D. G. JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS usmc SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 14 W JOSEPH MM 0' ATTORNEYS MNGE D. -G. JOHNSON ETAL 2,695,444

SCREENING FRAMES BY A CONTINUOUS' Nov. 30, I954 APPARATUS FOR PROCESS USING SCREENING ROLLS 20 Sheets-Sheet 15 Filed Aug. 15, 1949 496 FIG.24.

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[PI ll INVENTORS DAVID G.JOHNSON BY JOSEPH MAYER 1 W4 Q 4 ATTORNEYS 3 1954 D. G. JOHNSON ETAL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 16 M3I M-IXII M-X ILI FlG.27.

INVENTORS DAVID G,JOHN$ON JOSEPH MAYE ,Zm w/ W ATTORN EYS N 1954 D. G. JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS 20 Sheets-Sheet 17 Filed Aug. 15, 1949 ohm mwm INVENTORS DAVID G. JOHNSON BY JOSEPH MAYER: W ATTORNEYS NOV. 30, 1954 JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS Filed Aug. 15, 1949 20 Sheets-Sheet 18 JNVENTORS DAVID e. JOHNSON BY JOSEPH MAYER WWW, W

ATTORNEYS 1954 D. G. JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS IN VEN TORS DAVID G.JOHNSON B JOSEPH MAYER ATToRN EYS Nov. 30, 1954 D. G. JOHNSON ET AL 2,695,444

APPARATUS FOR SCREENING FRAMES BY A CONTINUOUS PROCESS USING SCREENING ROLLS 20 Sheets-Sheet 20 Filed Aug. 15, 1949 33 FIG.35.

.INVENTORS DAVID G.JOHNSON JOSEPH MAYE ATTORNEYS 

